LandOfFree - US Patents - Listing for Electric lamp and discharge devices: systems,Periodic switch in the supply circuit,Impedance or current regulator in the supply circuit

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Dimming circuit having switching transistor protection means

Electric lamp and discharge devices: systems – Periodic switch in the supply circuit – Impedance or current regulator in the supply circuit

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Dimming control circuit having feedback frequency control

Electric lamp and discharge devices: systems – Periodic switch in the supply circuit – Impedance or current regulator in the supply circuit

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Direct drive CCFL circuit with controlled start-up mode

Electric lamp and discharge devices: systems – Periodic switch in the supply circuit – Impedance or current regulator in the supply circuit

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Discharge lamp ballast circuit

Electric lamp and discharge devices: systems – Periodic switch in the supply circuit – Impedance or current regulator in the supply circuit

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Discharge lamp DC ballast employing only passive components

Electric lamp and discharge devices: systems – Periodic switch in the supply circuit – Impedance or current regulator in the supply circuit

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Discharge lamp device for reducing noise radiation and surge...

Electric lamp and discharge devices: systems – Periodic switch in the supply circuit – Impedance or current regulator in the supply circuit

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Discharge lamp drive apparatus and liquid crystal display...

Electric lamp and discharge devices: systems – Periodic switch in the supply circuit – Impedance or current regulator in the supply circuit

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Discharge lamp driver circuit

Electric lamp and discharge devices: systems – Periodic switch in the supply circuit – Impedance or current regulator in the supply circuit

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Discharge lamp driving apparatus

Electric lamp and discharge devices: systems – Periodic switch in the supply circuit – Impedance or current regulator in the supply circuit

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Discharge lamp driving apparatus and lighting fixture using...

Electric lamp and discharge devices: systems – Periodic switch in the supply circuit – Impedance or current regulator in the supply circuit

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Discharge lamp lighting apparatus

Electric lamp and discharge devices: systems – Periodic switch in the supply circuit – Impedance or current regulator in the supply circuit

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Discharge lamp lighting apparatus

Electric lamp and discharge devices: systems – Periodic switch in the supply circuit – Impedance or current regulator in the supply circuit

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Discharge lamp lighting apparatus

Electric lamp and discharge devices: systems – Periodic switch in the supply circuit – Impedance or current regulator in the supply circuit

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Discharge lamp lighting apparatus and lighting apparatus

Electric lamp and discharge devices: systems – Periodic switch in the supply circuit – Impedance or current regulator in the supply circuit

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Discharge lamp lighting apparatus and projector

Electric lamp and discharge devices: systems – Periodic switch in the supply circuit – Impedance or current regulator in the supply circuit

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Discharge lamp lighting apparatus for lighting multiple...

Electric lamp and discharge devices: systems – Periodic switch in the supply circuit – Impedance or current regulator in the supply circuit

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Discharge lamp lighting circuit

Electric lamp and discharge devices: systems – Periodic switch in the supply circuit – Impedance or current regulator in the supply circuit

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Discharge lamp lighting circuit

Electric lamp and discharge devices: systems – Periodic switch in the supply circuit – Impedance or current regulator in the supply circuit

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Discharge lamp lighting circuit

Electric lamp and discharge devices: systems – Periodic switch in the supply circuit – Impedance or current regulator in the supply circuit

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Discharge lamp lighting circuit with an open protection circuit

Electric lamp and discharge devices: systems – Periodic switch in the supply circuit – Impedance or current regulator in the supply circuit

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

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